construction was key to the modern economic growth in pre-First World War Japan …

Using a model where a monopoly chooses its commodity's quality as well as its quantity, we consider optimal regulation …

We build a simple model with quality, show that price-cap (PC) regulation causes distorsions in quality compared to … rate-of-return (ROR) regulation. We next consider methods to correct this distortion, and show the following results: (i …) PC regulation, in which the cap is made contingent on quality, can correct the quality distortion without distorting cost …

This paper finds that a regulation that promotes competition in one market may decrease competition in other related … unbundling regulations on new optical-fiber lines. I find that unbundling regulation prevents new providers from building optical …-fiber networks, by estimating a dynamic entry game with a dataset of fiber-optic network constructions in Japan from 2005 to 2009. In …

This study examines the effect of yardstick regulation in Japan's gas distribution sector, especially focusing on its … combination of fixed-price regulation and ex-ante yardstick regulation. The yardstick compares a firm's reported costs with those … full-information one has been significantly reduced since the introduction of yardstick regulation. Our results suggest …